P2122 2018 Toyota RAV4 Code - Throttle Pedal Position Sensor/Switch 'D' Circuit Input Low
Quick Answer
The P2122 diagnostic trouble code (DTC) for the 2018 Toyota RAV4 indicates a problem with the Throttle Pedal Position Sensor/Switch 'D' Circuit Input being low. Common causes include Faulty throttle pedal position sensor, Wiring issues or poor connections in the sensor circuit, Corrosion or damage to the sensor or related components. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2122 2018 Toyota RAV4 indicates Throttle Pedal Position Sensor/Switch 'D' Circuit Input Low.
- Common causes
- Common causes include Faulty throttle pedal position sensor, Wiring issues or poor connections in the sensor circuit, Corrosion or damage to the sensor or related components.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P2122 2018 Toyota RAV4 Description
The P2122 diagnostic trouble code (DTC) for the 2018 Toyota RAV4 indicates a problem with the Throttle Pedal Position Sensor/Switch 'D' Circuit Input being low. This sensor is crucial for the proper functioning of the electronic throttle control system in the vehicle. The throttle pedal position sensor detects the position of the accelerator pedal and sends this information to the engine control module (ECM). The ECM uses this data to determine the appropriate throttle position and adjust the engine's performance accordingly.
Common Causes of P2122 2018 Toyota RAV4
- Faulty throttle pedal position sensor.
- Wiring issues or poor connections in the sensor circuit.
- Corrosion or damage to the sensor or related components.
- ECM software or hardware issues.
- Environmental factors such as moisture or debris affecting the sensor.
Symptoms of P2122 2018 Toyota RAV4
- Hesitation or lack of response when pressing the accelerator pedal.
- Rough idling or uneven engine performance.
- Engine stalling or shutting off unexpectedly.
- Reduced engine power or acceleration.
- Illumination of the check engine light on the dashboard.
How to Fix P2122 2018 Toyota RAV4
- Begin by conducting a thorough inspection of the throttle pedal position sensor and its wiring harness for any visible damage or corrosion.
- Use a multimeter to test the sensor's voltage output and compare it to the manufacturer's specifications.
- If the sensor is faulty, replace it with a new one following the manufacturer's guidelines.
- Check and repair any damaged wiring or connections in the sensor circuit.
- Clear the diagnostic trouble codes from the ECM and perform a test drive to ensure the issue has been resolved.
Cost to Fix P2122 2018 Toyota RAV4
The cost of repairing a Throttle Pedal Position Sensor/Switch 'D' Circuit Input Low issue on a 2018 Toyota RAV4 can vary depending on the specific cause of the problem and the labor rates in your area. Typically, the cost of a new throttle pedal position sensor ranges from $50 to $150, while the labor cost for the repair can range from $100 to $300. Overall, the total repair cost could be anywhere from $150 to $450. It is recommended to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your vehicle's specific needs and location. Labor rates can vary between different shops, so it's advisable to shop around for the best deal.
Need more information about the P2122 2018 Toyota RAV4 code?
Need more information on how to fix the P2122 2018 Toyota RAV4 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2122 2018 Toyota RAV4 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2122 2018 Toyota RAV4 Code
1. What does OBDII code P2122 for a 2018 Toyota RAV4 mean?
The code P2122 indicates a problem with the Throttle Pedal Position Sensor/Switch 'D' Circuit Input being low, affecting the throttle pedal position sensor's signal.
2. What are common symptoms of OBDII code P2122 in a 2018 Toyota RAV4?
Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into limp mode.
3. What are possible causes of OBDII code P2122 in a 2018 Toyota RAV4?
Possible causes include a faulty throttle pedal position sensor, damaged wiring or connectors in the throttle pedal circuit, or issues with the engine control module (ECM).
4. How can I diagnose the OBDII code P2122 in my 2018 Toyota RAV4?
Diagnosis typically involves using a scan tool to read the trouble codes, testing the throttle pedal position sensor's voltage, and inspecting the wiring and connectors for any damage.
5. Can I still drive my 2018 Toyota RAV4 with OBDII code P2122?
It is not recommended to drive the vehicle with this code as it can lead to unsafe driving conditions and potential further damage to the engine.
6. How can I repair OBDII code P2122 in a 2018 Toyota RAV4?
Repair options may include replacing the throttle pedal position sensor, repairing or replacing damaged wiring or connectors, or reprogramming the engine control module (ECM).
7. Are there any DIY tips for addressing OBDII code P2122 in a 2018 Toyota RAV4?
While some basic checks like inspecting wiring connections can be done DIY, resolving this code often requires specialized tools and knowledge, so it's best to consult a professional mechanic.
8. Can a dirty throttle body cause OBDII code P2122 in a 2018 Toyota RAV4?
While a dirty throttle body can cause related issues, OBDII code P2122 specifically points to problems with the throttle pedal position sensor circuit and is not directly caused by a dirty throttle body.
9. What is the typical cost to repair OBDII code P2122 in a 2018 Toyota RAV4?
The cost of repairing this code can vary depending on the exact cause, but it may range from a few hundred to over a thousand dollars, including parts and labor.
10. How do I reset the OBDII code P2122 in my 2018 Toyota RAV4 after repairs?
After addressing the underlying issue causing the code, you can reset it using an OBDII scan tool or by disconnecting the car battery for a few minutes to clear the ECM's memory.
Discuss the causes and fixes for P2122 2018 Toyota RAV4 OBDII Code
Code P2122 2018 Toyota RAV4 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.